All of lore.kernel.org
 help / color / mirror / Atom feed
From: Paolo Bonzini <pbonzini@redhat.com>
To: David Hill <dhill@redhat.com>,
	kvm@vger.kernel.org,
	"Jason Wang (jasowang@redhat.com)" <jasowang@redhat.com>
Subject: Re: Shutting down a VM with Kernel 4.14 will sometime hang and a reboot is the only way to recover.
Date: Fri, 24 Nov 2017 00:48:47 +0100	[thread overview]
Message-ID: <d7c6cd05-769b-9244-8e98-b93fa086681c@redhat.com> (raw)
In-Reply-To: <29f8e09f-8920-52d0-02f4-c0fb779135ee@redhat.com>

Jason, any ideas?

Thanks,

Paolo

On 22/11/2017 19:22, David Hill wrote:
> ore than 120 seconds.
>     [ 7496.552987]       Tainted: G          I
>     4.14.0-0.rc1.git3.1.fc28.x86_64 #1
>     [ 7496.552996] "echo 0 /proc/sys/kernel/hung_task_timeout_secs"
>     disables this message.
>     [ 7496.553006] qemu-system-x86 D12240  5978      1 0x00000004
>     [ 7496.553024] Call Trace:
>     [ 7496.553044]  __schedule+0x2dc/0xbb0
>     [ 7496.553055]  ? trace_hardirqs_on+0xd/0x10
>     [ 7496.553074]  schedule+0x3d/0x90
>     [ 7496.553087]  vhost_net_ubuf_put_and_wait+0x73/0xa0 [vhost_net]
>     [ 7496.553100]  ? finish_wait+0x90/0x90
>     [ 7496.553115]  vhost_net_ioctl+0x542/0x910 [vhost_net]
>     [ 7496.553144]  do_vfs_ioctl+0xa6/0x6c0
>     [ 7496.553166]  SyS_ioctl+0x79/0x90
>     [ 7496.553182]  entry_SYSCALL_64_fastpath+0x1f/0xbe
>     [ 7496.553190] RIP: 0033:0x7fa1ea0e1817
>     [ 7496.553196] RSP: 002b:00007ffe3d854bc8 EFLAGS: 00000246
>     ORIG_RAX: 0000000000000010
>     [ 7496.553209] RAX: ffffffffffffffda RBX: 000000000000001d RCX:
>     00007fa1ea0e1817
>     [ 7496.553215] RDX: 00007ffe3d854bd0 RSI: 000000004008af30 RDI:
>     0000000000000021
>     [ 7496.553222] RBP: 000055e33352b610 R08: 000055e33024a6f0 R09:
>     000055e330245d92
>     [ 7496.553228] R10: 000055e33344e7f0 R11: 0000000000000246 R12:
>     000055e33351a000
>     [ 7496.553235] R13: 0000000000000001 R14: 0000000400000000 R15:
>     0000000000000000
>     [ 7496.553284]
>                    Showing all locks held in the system:
>     [ 7496.553313] 1 lock held by khungtaskd/161:
>     [ 7496.553319]  #0:  (tasklist_lock){.+.+}, at:
>     [<ffffffff8111740d>] debug_show_all_locks+0x3d/0x1a0
>     [ 7496.553373] 1 lock held by in:imklog/1194:
>     [ 7496.553379]  #0:  (&f->f_pos_lock){+.+.}, at:
>     [<ffffffff8130ecfc>] __fdget_pos+0x4c/0x60
>     [ 7496.553541] 1 lock held by qemu-system-x86/5978:
>     [ 7496.553547]  #0:  (&dev->mutex#3){+.+.}, at:
>     [<ffffffffc077e498>] vhost_net_ioctl+0x358/0x910 [vhost_net]

  reply	other threads:[~2017-11-23 23:48 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <efd45fba-5724-0036-8473-0274b5816ae9@redhat.com>
2017-11-13 15:54 ` Shutting down a VM with Kernel 4.14 will sometime hang and a reboot is the only way to recover. [1] David Hill
     [not found]   ` <CALapVYHmf7gG25nA-5LkoaTDR8gB0xQ1Ro_FyyCQNbzrfSp+aQ@mail.gmail.com>
2017-11-15 21:08     ` David Hill
2017-11-22 18:22       ` Shutting down a VM with Kernel 4.14 will sometime hang and a reboot is the only way to recover David Hill
2017-11-23 23:48         ` Paolo Bonzini [this message]
2017-11-24  3:11           ` Jason Wang
2017-11-24 16:19             ` David Hill
2017-11-24 16:22             ` David Hill
2017-11-27  3:44               ` Jason Wang
2017-11-27 19:38                 ` David Hill
2017-11-28 18:00                   ` David Hill
2017-11-29  1:52                     ` Jason Wang
2017-11-29  2:52                       ` Dave Hill
2017-11-29  5:15                         ` Jason Wang
2017-11-29 19:13                           ` David Hill
2017-11-30  2:42                             ` Jason Wang
2017-11-30 20:52                               ` David Hill
2017-11-30 20:59                                 ` David Hill
2017-12-01 16:38                                   ` David Hill
2017-12-04  4:08                                     ` Jason Wang
2017-12-04 19:51                                       ` David Hill
2017-12-07  4:34                                         ` David Hill
2017-12-07  4:42                                           ` David Hill
2017-12-07  5:13                                             ` Jason Wang
2017-12-08 18:03                                               ` David Hill
2017-12-12  3:53                                                 ` David Hill
2017-12-19  3:36                                                   ` Jason Wang
2017-12-19 16:19                                                     ` Willem de Bruijn
2017-12-07  5:12                                           ` Jason Wang
2017-12-02 12:16                                   ` Harald Moeller
2017-12-02 16:37                                   ` Harald Moeller
2017-12-07  2:44                                     ` David Hill

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=d7c6cd05-769b-9244-8e98-b93fa086681c@redhat.com \
    --to=pbonzini@redhat.com \
    --cc=dhill@redhat.com \
    --cc=jasowang@redhat.com \
    --cc=kvm@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.